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Hebbeln, Dierk; Bender, Maren; Eichstädter, Rene; Gori, Andrea; João, Francisco; Moçambique, Irene; Orejas, Covadonga; Titschack, Jürgen; Wefing, Anne-Marie; Wienberg, Claudia; Wintersteller, Paul (2023): Multibeam bathymetry raw data (Kongsberg EM710 entire dataset) of RV METEOR during cruise M122 [dataset]. PANGAEA, https://doi.org/10.1594/PANGAEA.945015

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Abstract:
Multibeam bathymetry raw data using the ship's own Kongsberg EM 710 multibeam echosounder was almost continuously recorded during RV METEOR cruise M122. Data was recorded on 25 days between 2015-12-30 and 2016-01-23. This dataset contains a survey towards the coast of Namibia & Angola. The approximate average depth of the entire dataset is around 400m.
The data are archived at the Federal Maritime and Hydrographic Agency of Germany (Bundesamt fÃür Seeschifffahrt und Hydrographie, BSH) and provided to PANGAEA database for data curation and publication. Ancillary sound velocity profiles (SVP) files from the cruise are archived at the BSH, thus SVP files are added to this dataset. Also data analysis of the multibeam raw data revealed that SVP has been changed during the survey.
This publication is conducted within the efforts of the German Marine Research Alliance in the core area 'Data management and Digitalization' (Deutsche Allianz Meeresforschung, DAM)
Data are unprocessed and therefore contains incorrect depth measurements (artifacts) without further processing. Note that refraction errors can be expected due to the lack of proper SVP. Overall, it appears that the data quality is rather good since the gridded hillshade data showed relatively few obstacles. Data acquisition has been monitored at all times during surveying.
Data can be processed e.g. with the open source software package MB-System (Caress, D. W., and D. N. Chayes, MB-System: Mapping the Seafloor, http://www.mbari.org/products/research-software/mb-system/, 2022).
Keyword(s):
Bathymetry; Multibeam Echosounder
Related to:
Hebbeln, Dierk; Bender, Maren; Eichstädter, Rene; Gori, Andrea; João, Francisco; Moçambique, Irene; Orejas, Covadonga; Titschack, Jürgen; Wefing, Anne-Marie; Wienberg, Claudia; Wintersteller, Paul (2023): Water column raw data (Kongsberg EM710 entire dataset) of RV METEOR during cruise M122. PANGAEA, https://doi.org/10.1594/PANGAEA.945016
Hebbeln, Dierk; Wienberg, Claudia; Bender, Maren; Bergmann, Fenna; Dehning, Klaus; Dullo, Wolf-Christian; Eichstädter, Rene; Flöter, Sebastian; Freiwald, André; Gori, Andrea; Haberkern, Julia; Hoffmann, Leon; João, Francisco; Lavaleye, Marc; Leymann, Tom; Matsuyama, Kei; Meyer-Schack, Birgit; Mienis, Furu; Moçambique, Irene; Nowald, Nicolas; Orejas, Covadonga; Ramos Cordova, Carlos; Saturov, Dimitar; Seiter, Christian; Titschack, Jürgen; Vittori, Vincent; Wefing, Anne-Marie; Wilsenack, Maik; Wintersteller, Paul (2017): ANNA Cold-Water Coral Ecosystems off Angola and Namibia - Cruise No. M122 - December 30, 2015 - January 31, 2016 - Walvis Bay (Namibia) - Walvis Bay (Namibia). METEOR-Berichte, DFG-Senatskommission für Ozeanographie, M122, 74 pp, https://doi.org/10.2312/cr_m122
Project(s):
Coverage:
Median Latitude: -17.566806 * Median Longitude: 12.757176 * South-bound Latitude: -22.821202 * West-bound Longitude: 11.322444 * North-bound Latitude: -9.462591 * East-bound Longitude: 14.474435
Date/Time Start: 2015-12-30T10:37:20 * Date/Time End: 2016-01-23T17:25:21
Minimum ELEVATION: -1109.9769 m a.s.l. * Maximum ELEVATION: -33.2208 m a.s.l.
Event(s):
GeoB20501-1 (M122_1347-1) * Latitude: -20.786000 * Longitude: 12.789000 * Date/Time: 2015-12-30T23:00:00 * Elevation: -271.0 m * Campaign: M122 * Basis: Meteor (1986) * Method/Device: Video-CTD (CTD-V) * Comment: failed
GeoB20502-2 (M122_1349-1) * Latitude: -20.889000 * Longitude: 12.346000 * Date/Time: 2015-12-31T05:26:00 * Elevation: -512.0 m * Campaign: M122 * Basis: Meteor (1986) * Method/Device: Expendable Sound Velocimeter (XSV) * Comment: sound velocity profile
GeoB20504-1 (M122_001-1) * Latitude: -20.734000 * Longitude: 12.822000 * Date/Time: 2016-01-01T07:58:00 * Elevation: -220.0 m * Campaign: M122 * Basis: Meteor (1986) * Method/Device: Video-CTD (CTD-V) * Comment: failed
Comment:
These data should not be used for navigational purposes.
Data publishing was realized by Daniel Damaske, MARUM - Center for Marine Environmental Sciences (University Bremen).
Parameter(s):
#NameShort NameUnitPrincipal InvestigatorMethod/DeviceComment
1Event labelEventHebbeln, Dierk
2Binary ObjectBinaryHebbeln, Dierk
3Kongsberg datagram raw file nameDatagram rfnHebbeln, Dierk
4File contentContentHebbeln, Dierk
5Data file recording durationData record durationminHebbeln, Dierk
6Data file recording distanceData record distancemHebbeln, Dierk
7Ship speedShip spknHebbeln, Dierk
8Number of pingsPingsHebbeln, Dierk
9Start of data file recording, date/timeFile start date/timeHebbeln, Dierk
10Start of data file recording, latitudeFile start latitudeHebbeln, Dierk
11Start of data file recording, longitudeFile start longitudeHebbeln, Dierk
12Start of data file, headingFile start headingdegHebbeln, Dierk
13Start of data file, depthFile start depthmHebbeln, Dierk
14Stop of data file recording, date/timeFile stop date/timeHebbeln, Dierk
15Stop of data file recording, latitudeFile stop latitudeHebbeln, Dierk
16Stop of data file recording, longitudeFile stop longitudeHebbeln, Dierk
17Stop of data file, headingFile stop headingdegHebbeln, Dierk
18Stop of data file, depthFile stop depthmHebbeln, Dierk
19DATE/TIMEDate/TimeHebbeln, DierkGeocode – 'copy of Start of data file recording, date/time
20LATITUDELatitudeHebbeln, DierkGeocode – copy of 'Start of data file recording, latitude
21LONGITUDELongitudeHebbeln, DierkGeocode – copy of 'Start of data file recording, longitude
22ELEVATIONElevationm a.s.l.Hebbeln, DierkGeocode – copy of 'File start depth, change of sign
23CommentCommentHebbeln, Dierk
Status:
Curation Level: Enhanced curation (CurationLevelC) * Processing Level: PANGAEA data processing level 1 (ProcLevel1)
Size:
13345 data points

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